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Marquise|Lab Grown|IGI

1.54ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG799660071

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799660071

Diamond specifications and retailer prices

From $940 USD
CA$1,306 CAD
As of October 30, 2026
Save $304 USD (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,244 USD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 1.54ct lab-grown marquise diamond

This 1.54ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG799660071 or 799660071. Listed at 3 retailers as of October 30, 2026, with prices from $940 to $1,244, a $304 spread on the same certified stone. The Diamond Guys lists it at $1,244. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799660071
Dimensions11.91 × 5.89 × 3.81 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.91 mm5.89 mm1.54 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799660071
Side View
Table 61.0%Crown 37.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 64.7%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $574 USD|Low: $362 USD|High: $2,220 USD|Avg: $1,005 USD|-11.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
The Diamond Guys
August 21, 2026
Retailer 9$364 USD
Retailer 12$388 USD
Retailer 1$574 USD
Retailer 5$623 USD
Retailer 7$842 USD
Retailer 4$940 USD
Retailer 11$947 USD
Retailer 10$1,189 USD
Retailer 2$1,223 USD
The Diamond Guys$1,244 USD
Retailer 6$1,344 USD
Retailer 3$1,880 USD
Retailer 8$2,220 USD

39 data points across 13 retailers

3 retailers$940 USD to $1,244 USD

B+
Cheapest Retailer
-
$940 USD
CA$1,306 CAD
Retailer 2
-
$947 USD
View
Price last confirmed 84 days ago
Most Expensive
B
The Diamond Guys
1958037522 · Nov 1
$1,244 USD
View
2 more retailers have this diamond
Prices start from $940 USDSave up to $304 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.54ct Marquise
$940 USD